function checkManyChar(obj,num) 
{ 
  var obj=$(obj);
  obj.attr('maxlength',num);
  var val = $(obj).val();
  var par=obj.parent();
  var len=num-val.length;
  var tips= val.length+'/'+num;
  par.find('.cig-tip').text(tips);
  
}
function checkMoney(obj,num)
{
  
}